Rutland 913

ghostlymoron said:
What can be done to improve the output which at present about .5amps max.
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Carrying out the tests described in the troubleshooting section of the owners manual would be a good start to determine if it is the turbine or the regulator which is at fault

If the turbine is failing to give the expected output then check the continuity of the stator coils, the brushes and slip rings as elton suggests ( not sure what he means by "armature") Also check the rectifiers ,,, but that will need a bit more know-how although simple enough if you have a multimeter with a "diode test" range.

I guess if the regulator is at fault its probably a case of replacing it .................. with a more modern one if you only have the old RWS 200

Exploded parts diagrams and parts lists here https://www.marlec.co.uk/rutland-913-spares/?v=79cba1185463

See also this https://www.marlec.co.uk/wp-content...ng-Turbines-1st-Steps-v1-1.pdf?v=79cba1185463 for a more detailed trouble shooting guide
 
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elton said:
Check the integrity (conductivity) of the windings, and contact between the brushes and armature. Clean the armature, and if necessary replace the brushes.
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You can't really clean the armature as such. The 913 has fixed magnets in a housing with blades attached. The "armature" consists of copper windings inside a disk and is actually static (therefore it's a stator). I think this part is probably made by placing the copper wires in a mould and then filling it with epoxy (or something similar). Wires come out through a hollow tube and connect to diodes before going through slip rings as already mentioned. I imagine that the windings either work or don't work, I saw one with copper actually on the surface and open to damage. Easy to check continuity as suggested. Not much to go wrong and I imagine you'd spot dirty slip rings fairly easily with a meter.

You could try connecting the 913 directly to the battery when there's plenty of wind (20-25kts) and monitoring the current. I'd be surprised if you still get 0.5A maximum at that point. Be very careful if you are going to try this and tie the 913 blades when removing the regulator from the circuit and going direct to the battery. The 913 would probably produce 100V or more if spinning freely without a battery connection.

If you get plenty of current when the blades are released for this brief test that would indicate the fault is with the regulator or associated wiring.
 
Mistroma said:
You can't really clean the armature as such. The 913 has fixed magnets in a housing with blades attached. The "armature" consists of copper windings inside a disk and is actually static (therefore it's a stator). I think this part is probably made by placing the copper wires in a mould and then filling it with epoxy (or something similar). Wires come out through a hollow tube and connect to diodes before going through slip rings as already mentioned. I imagine that the windings either work or don't work, I saw one with copper actually on the surface and open to damage. Easy to check continuity as suggested. Not much to go wrong and I imagine you'd spot dirty slip rings fairly easily with a meter.

You could try connecting the 913 directly to the battery when there's plenty of wind (20-25kts) and monitoring the current. I'd be surprised if you still get 0.5A maximum at that point. Be very careful if you are going to try this and tie the 913 blades when removing the regulator from the circuit and going direct to the battery. The 913 would probably produce 100V or more if spinning freely without a battery connection.

If you get plenty of current when the blades are released for this brief test that would indicate the fault is with the regulator or associated wiring.
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The trouble shooting section of the owners manual tells you how to do this with an ammeter directly connected to the wind gen output together with other tests
 
VicS said:
The trouble shooting section of the owners manual tells you how to do this with an ammeter directly connected to the wind gen output together with other tests
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Didn't have manual with me and just read the trouble shooting doc. in your link. It didn't mention this so thought it was worth covering. I must RTFM sometime to see what it says on the subject. :D
 
Mistroma said:
Didn't have manual with me and just read the trouble shooting doc. in your link. It didn't mention this so thought it was worth covering. I must RTFM sometime to see what it says on the subject. :D
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Sorry I thought i had put a link in to the owners manual too... but hadn't . Easy enough to find though
 
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